Biology Exam Past Questions and Answers | JAMB, WAEC and NECO

Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.

• Question 1451: The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if Options:
  A) fats are presents
  B) carbohydrate is present
  C) protein is present
  D) reducing sugar is presents
  Show Answer
  The correct answer is C .
• Question 1452: Insects and millipede have many features in common EXCEPT Options:
  A) exoskeleton
  B) jointed appendages
  C) compound eyes
  D) segmented body
  Show Answer
  The correct answer is C .
• Question 1453: The behavioural adaptation in social insects could best be described as Options:
  A) symbiosis
  B) saprophytism
  C) parasitism
  D) commensalisms
  Show Answer
  The correct answer is A .
• Question 1454: The dominant phase in the life cycle of a bryophyte is the Options:
  A) gametangium
  B) sporophyte
  C) gametophyte
  D) prothallus
  Show Answer
  The correct answer is C .
• Question 1455: The following are kidney diseases EXCEPT Options:
  A) diuresis
  B) Hepatitis
  C) kidney stones
  D) nephritis
  E) oedema.
  Show Answer
  The correct answer is B .
• Question 1456: 5 cm³ dilute sodium hydroxide solution and 5 cm³ one percent copper sulphate solution are added to a solution of food specimen. The purple colour which is observed shows the presence of Options:
  A) glucose
  B) starch
  C) fat
  D) protein
  Show Answer
  The correct answer is D .
• Question 1457:

  Which of the statements below is not characteristic of wind-pollinated flowers?

  Options:
  A) Stigmas are usually large and feathery
  B) Nectary is usually absent
  C) The pollen grains have rough spiny surfaces
  D) The flowers are not scented.
  Show Answer
  The correct answer is C .
• Question 1458: Radial symmetry is a future common to Options:
  A) platyhelminthes
  B) nematodes
  C) coelenterates
  D) arthropods
  Show Answer
  The correct answer is C .
• Question 1459: The depth of illumination in a water body can be measured with a Options:
  A) photometer
  B) secchi disc
  C) hydrometer
  D) anemometer
  Show Answer
  The correct answer is B .
• Question 1460: The appendicular skeleton comprises of Options:
  A) pectoral and pelvic girdles
  B) forelimbs, skull and pectoral girdle
  C) lungs and ribs
  D) skull and the vertebral column
  Show Answer
  The correct answer is A .